The Department of Defense announced today the death of a Marine who was supporting Operation Enduring Freedom.

Lance Cpl. Sean M. N. O'Connor, 22, of Douglas, Wyo., died June 12 while conducting combat operations in Helmand province, Afghanistan. He was assigned to 1st Battalion, 5th Marine Regiment, 1st Marine Division, I Marine Expeditionary Force, Camp Pendleton, Calif.

More information here:  http://www.signonsandiego.com/news/2011/jun/13/camp-pendleton-marine-kileld-in-afghanistan-lance/?amp